Join the Amoeba Sisters as they introduce the cardiac conduction system! This video mentions conductive cardiac cells (focusing on pacemaker cells) in the SA and AV nodes and discusses general steps of spontaneous depolarization. It also...

Join Pinky and Petunia in a cell types review game! This review game focuses on comparing cell characteristics of animals, plants, fungi, "protists," archaea, and bacteria. Clues may include prokaryote/eukaryote, autotroph/heterotroph,...

In this menstrual cycle video, explore the ovarian cycle and uterine cycle with the Amoeba Sisters! This video will walk through major events in phases of the ovarian cycle (follicular phase and luteal phase) and phases of the uterine...

Join the Amoeba Sisters as they introduce the basics about cladograms and phylogenetic trees. The Amoeba Sisters walk through the process of building a basic cladogram and mention vocabulary such as: shared ancestral character, shared...

Join the Amoeba Sisters as they introduce angiosperms (flowering plants) before exploring flower parts, pollination, and double fertilization in angiosperms! This video also talks about the importance of pollinators.

Join the Amoeba Sisters as they explore the action potential. This video discusses resting membrane potential before going into the phases of the action potential including vocabulary such as depolarization, repolarization, and...

Join the Amoeba Sisters in this longer review video as they review food chains, food webs, how energy flows through trophic levels (including the 10% rule), ecological relationships (including parasitism, mutualism, and commensalism),...

Explore the concept of biological evolution with the Amoeba Sisters! This video mentions a few misconceptions about biological evolution before providing a general definition. Then this video provides a description of four different...

Join Pinky and Petunia of the Amoeba Sisters in a review game video! This video provides clues for the viewer to guess the cell organelle or structure before revealing it. As a bonus, towards the end of the video, you'll have the...

Explore 11 human body systems with the Amoeba Sisters in this updated video (2024). This video focuses on general functions for the following systems (and also provides a few structure examples): Circulatory, Digestive, Endocrine,...

Standardized testing is deeply woven into the fabric of US education, but does it foster genuine learning? Educator Tanishia Lavette Williams sheds light on the racial biases, financial costs and limited effectiveness of this kind of...

Explore an intro to genetic engineering with The Amoeba Sisters. This video provides a general definition, introduces some biotechnology tools that can be used in genetic engineering, and discusses some related vocabulary (such as...

Join the Amoeba Sisters on this introduction to the human Skeletal System! This video first introduces several types of skeletal systems found in different organisms before focusing on the human endoskeleton. Then, this video takes a...

Explore how to solve Punnett squares that involve sex-linked traits, specifically focusing on X-linked traits. Video has a resource available hereref='https://www.amoebasisters.com/handouts' target='_blank' rel='nofollow'>here This...

Explore the four biomolecules and their importance for organisms and the structure and function of their cells! This 2023 UPDATED Biomolecules Amoeba Sisters video has some more detail and improved art from the 2016 Amoeba Sisters...

Join the Amoeba Sisters in exploring some general animal characteristics, major vocabulary used in classifying animals (such as symmetry, protostome vs deuterostome, cephalization, and coelom), and take a general tour of 9 major animal...

Join the Amoeba Sisters on this introduction to the human Skeletal System! This video first introduces several types of skeletal systems found in different organisms before focusing on the human endoskeleton. Then, this video takes a...

Paul Andersen explains patterns and describes why pattern recognition is an important skill in science and engineering. He begins by discussing patterns in nature, including snowflakes, flower petals, seasons and nucleotides in DNA. He...

Sunscreen comes in different levels of SPF, or sun protection factor, but what does that mean for your skin and the ultraviolet radiation hitting it? Olivia explains the science of SPF.

Join the Amoeba Sisters as they take a brisk "stroll" through their biology playlist! This review video can refresh your memory of major concepts, help you identify what you need to re-study, and reinforce vocab. Expand these details for...

Join the Amoeba Sisters for a brief tour through the human respiratory system! This video will discuss why the respiratory system is so important and address major structures such as the pharynx, larynx, trachea, bronchi, alveoli, and...

Already watched the Amoeba Sisters first video on enzymes and ready to explore a little more? In this video, the Amoeba Sisters cover a few examples of enzymes in the human body before emphasizing that enzymes are found in all the...

Explore the process of aerobic cellular respiration and why ATP production is so important in this updated cellular respiration video by The Amoeba Sisters! This video compares the cellular respiration equation to photosynthesis before...

How to Read a Codon Chart